A message has 2000 characters. If it is supposed to be encrypted using a block cipher of 64 bits, find the size of the padding and the number of blocks.
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The size of the padding and the number of blocks
Explanation:
Let M is the message that is 2000 char.
So, we are using the 8 bits for per characters that is,
So, we have the following that are,
then,
Putting the value |M| in the following equation
So, there is no padding is required and the number of blocks are 250.
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